Provide an appropriate response.Find the 7th term of the geometric sequence -1, 3, -9, . . . .
A. 729
B. -729
C. 2187
D. -2187
Answer: B
Mathematics
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Write as mixed number.
A. 2
B. 1
C. 2
D. 
Mathematics
Find an equation of the plane through the origin and parallel to the plane -5x+2y-5z=-1
What will be an ideal response?
Mathematics
Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y. 3x + y = 6-6x - 2y = -12
A. 
or (y, -3y + 6)
B. (x, 3x + 6) or 
C. (x, -3x + 6) or 
D. no solution
Mathematics
Graph the system of inequalities.8x + y ? 88x + y ? 0 
A. 
B. 
C. 
D. No solution
Mathematics